1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.util;
24  
25  import java.util.ArrayList;
26  import java.util.Iterator;
27  import java.util.List;
28  
29  /**
30   * <a href="DiffResult.java.html"><b><i>View Source</i></b></a>
31   *
32   * <p>
33   * Represents a change between one or several lines. <code>changeType</code>
34   * tells if the change happened in source or target. <code>lineNumber</code>
35   * holds the line number of the first modified line. This line number refers to
36   * a line in source or target, depending on the <code>changeType</code> value.
37   * <code>changedLines</code> is a list of strings, each string is a line that is
38   * already highlighted, indicating where the changes are.
39   * </p>
40   *
41   * @author Bruno Farache
42   */
43  public class DiffResult {
44  
45      public static final String SOURCE = "SOURCE";
46  
47      public static final String TARGET = "TARGET";
48  
49      public DiffResult(int linePos, List<String> changedLines) {
50          _lineNumber = linePos + 1;
51          _changedLines = changedLines;
52      }
53  
54      public DiffResult(int linePos, String changedLine) {
55          _lineNumber = linePos + 1;
56          _changedLines = new ArrayList<String>();
57          _changedLines.add(changedLine);
58      }
59  
60      public List<String> getChangedLines() {
61          return _changedLines;
62      }
63  
64      public void setChangedLines(List<String> changedLines) {
65          _changedLines = changedLines;
66      }
67  
68      public int getLineNumber() {
69          return _lineNumber;
70      }
71  
72      public void setLineNumber(int lineNumber) {
73          _lineNumber = lineNumber;
74      }
75  
76      public boolean equals(Object obj) {
77          DiffResult diffResult = (DiffResult)obj;
78  
79          if ((diffResult.getLineNumber() == _lineNumber) &&
80              (diffResult.getChangedLines().equals(_changedLines))) {
81  
82              return true;
83          }
84  
85          return false;
86      }
87  
88      public String toString() {
89          StringBuilder sb = new StringBuilder();
90  
91          sb.append("Line: ");
92          sb.append(_lineNumber);
93          sb.append("\n");
94  
95          Iterator<String> itr = _changedLines.iterator();
96  
97          while (itr.hasNext()) {
98              sb.append(itr.next());
99  
100             if (itr.hasNext()) {
101                 sb.append("\n");
102             }
103         }
104 
105         return sb.toString();
106     }
107 
108     private int _lineNumber;
109     private List<String> _changedLines;
110 
111 }